Rapper DMX was arrested in Miami for the second time this week, after attempting to buy $45 in cocaine and marijuana from an undercover police officer on Friday (Jun 26).He is currently in custody at the Miami-Dade County jail.According to the police, 37-year-old DMX, born Earl Simmons, approached the officer, requesting to purchase “30 powder and 15 weed.”Upon handing cash to the officer, DMX was taken into custody. His arrest is part of an ongoing undercover sting.DMX was also arrested on Monday (Jun 22) on a warrant for driving without a valid license, and was later released after posting a $500 bond.The embattled rapper also has a pending trial in Arizona, where he faces drug and animal cruelty charges, following a raid of his Maricopa County home.